Letter signed by John Julius Clark, St. Louis, to brother George Rogers Hancock Clark, July 13, 1828, A0289-00626. Missouri Historical Society Library and Research Center.

Letter signed by John Julius Clark, St. Louis, to brother George Rogers Hancock Clark, July 13, 1828, A0289-00626. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/11801 Accessed September 19, 2024.